COMPMID-485: Memory Manager

Change-Id: Ib421b7622838f050038cd81e7426bb1413a7d6e6
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/87376
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>

1 files changed, 67 insertions, 0 deletions

diff --git a/arm_compute/runtime/PoolManager.h b/arm_compute/runtime/PoolManager.h
new file mode 100644
index 0000000000..6549350e8f
--- /dev/null
+++ b/arm_compute/runtime/PoolManager.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_POOLMANAGER_H__
+#define __ARM_COMPUTE_POOLMANAGER_H__
+
+#include "arm_compute/runtime/IPoolManager.h"
+
+#include "arm_compute/core/Error.h"
+#include "arm_compute/runtime/IMemoryPool.h"
+#include "support/Mutex.h"
+#include "support/Semaphore.h"
+
+#include <cstddef>
+#include <list>
+#include <memory>
+
+namespace arm_compute
+{
+/** Memory pool manager */
+class PoolManager : public IPoolManager
+{
+public:
+    /** Default Constructor */
+    PoolManager();
+    /** Prevent instances of this class to be copy constructed */
+    PoolManager(const PoolManager &) = delete;
+    /** Prevent instances of this class to be copied */
+    PoolManager &operator=(const PoolManager &) = delete;
+    /** Allow instances of this class to be move constructed */
+    PoolManager(PoolManager &&) = default;
+    /** Allow instances of this class to be moved */
+    PoolManager &operator=(PoolManager &&) = default;
+
+    // Inherited methods overridden:
+    IMemoryPool *lock_pool() override;
+    void unlock_pool(IMemoryPool *pool) override;
+    void register_pool(std::unique_ptr<IMemoryPool> pool) override;
+
+private:
+    std::list<std::unique_ptr<IMemoryPool>> _free_pools;     /**< List of free pools */
+    std::list<std::unique_ptr<IMemoryPool>> _occupied_pools; /**< List of occupied pools */
+    std::unique_ptr<arm_compute::Semaphore> _sem;            /**< Semaphore to control the queues */
+    arm_compute::Mutex                      _mtx;            /**< Mutex to control access to the queues */
+};
+} // arm_compute
+#endif /*__ARM_COMPUTE_POOLMANAGER_H__ */